Profiling Report for Wine

Dataset statistics

Number of variables	13
Number of observations	6497
Missing cells	38
Missing cells (%)	< 0.1%
Duplicate rows	983
Duplicate rows (%)	15.1%
Total size in memory	660.0 KiB
Average record size in memory	104.0 B

Variable types

Categorical	1
Numeric	12

Alerts

Dataset has 983 (15.1%) duplicate rows	Duplicates
`alcohol` is highly overall correlated with `density`	High correlation
`chlorides` is highly overall correlated with `density` and 1 other fields	High correlation
`density` is highly overall correlated with `alcohol` and 2 other fields	High correlation
`fixed acidity` is highly overall correlated with `type`	High correlation
`free sulfur dioxide` is highly overall correlated with `total sulfur dioxide`	High correlation
`residual sugar` is highly overall correlated with `density`	High correlation
`total sulfur dioxide` is highly overall correlated with `free sulfur dioxide` and 1 other fields	High correlation
`type` is highly overall correlated with `chlorides` and 3 other fields	High correlation
`volatile acidity` is highly overall correlated with `type`	High correlation
`citric acid` has 150 (2.3%) zeros	Zeros

Reproduction

Analysis started	2024-01-03 22:36:49.576593
Analysis finished	2024-01-03 22:37:11.091456
Duration	21.51 seconds
Software version	ydata-profiling vv4.6.3
Download configuration	config.json

type
Categorical

HIGH CORRELATION

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	50.9 KiB

white	4898
red	1599

Length

Max length	5
Median length	5
Mean length	4.5077728
Min length	3

Characters and Unicode

Total characters	29287
Distinct characters	7
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	white
2nd row	white
3rd row	white
4th row	white
5th row	white

Common Values

Value	Count	Frequency (%)
white	4898	75.4%
red	1599	24.6%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
white	4898	75.4%
red	1599	24.6%

Most occurring characters

Value	Count	Frequency (%)
e	6497	22.2%
w	4898	16.7%
h	4898	16.7%
i	4898	16.7%
t	4898	16.7%
r	1599	5.5%
d	1599	5.5%

Most occurring categories

Value	Count	Frequency (%)
Lowercase Letter	29287	100.0%

Most frequent character per category

Lowercase Letter

Value	Count	Frequency (%)
e	6497	22.2%
w	4898	16.7%
h	4898	16.7%
i	4898	16.7%
t	4898	16.7%
r	1599	5.5%
d	1599	5.5%

Most occurring scripts

Value	Count	Frequency (%)
Latin	29287	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
e	6497	22.2%
w	4898	16.7%
h	4898	16.7%
i	4898	16.7%
t	4898	16.7%
r	1599	5.5%
d	1599	5.5%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	29287	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
e	6497	22.2%
w	4898	16.7%
h	4898	16.7%
i	4898	16.7%
t	4898	16.7%
r	1599	5.5%
d	1599	5.5%

fixed acidity
Real number (ℝ)

HIGH CORRELATION

Distinct	106
Distinct (%)	1.6%
Missing	10
Missing (%)	0.2%
Infinite	0
Infinite (%)	0.0%
Mean	7.2165793

Minimum	3.8
Maximum	15.9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	3.8
5-th percentile	5.7
Q1	6.4
median	7
Q3	7.7
95-th percentile	9.8
Maximum	15.9
Range	12.1
Interquartile range (IQR)	1.3

Descriptive statistics

Standard deviation	1.2967499
Coefficient of variation (CV)	0.17969038
Kurtosis	5.057727
Mean	7.2165793
Median Absolute Deviation (MAD)	0.6
Skewness	1.7228045
Sum	46813.95
Variance	1.6815602
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
6.8	354	5.4%
6.6	326	5.0%
6.4	305	4.7%
7	282	4.3%
6.9	279	4.3%
7.2	273	4.2%
6.7	264	4.1%
7.1	257	4.0%
6.5	242	3.7%
7.4	238	3.7%
Other values (96)	3667	56.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
3.8	1	< 0.1%
3.9	1	< 0.1%
4.2	2	< 0.1%
4.4	3	< 0.1%
4.5	1	< 0.1%
4.6	2	< 0.1%
4.7	6	0.1%
4.8	9	0.1%
4.9	8	0.1%
5	30	0.5%

Value	Count	Frequency (%)
15.9	1	< 0.1%
15.6	2	< 0.1%
15.5	2	< 0.1%
15	2	< 0.1%
14.3	1	< 0.1%
14.2	1	< 0.1%
14	1	< 0.1%
13.8	1	< 0.1%
13.7	2	< 0.1%
13.5	1	< 0.1%

volatile acidity
Real number (ℝ)

HIGH CORRELATION

Distinct	187
Distinct (%)	2.9%
Missing	8
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	0.33969102

Minimum	0.08
Maximum	1.58
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.08
5-th percentile	0.16
Q1	0.23
median	0.29
Q3	0.4
95-th percentile	0.67
Maximum	1.58
Range	1.5
Interquartile range (IQR)	0.17

Descriptive statistics

Standard deviation	0.16464903
Coefficient of variation (CV)	0.48470234
Kurtosis	2.8270813
Mean	0.33969102
Median Absolute Deviation (MAD)	0.08
Skewness	1.4955116
Sum	2204.255
Variance	0.027109303
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.28	286	4.4%
0.24	265	4.1%
0.26	255	3.9%
0.25	238	3.7%
0.22	235	3.6%
0.27	232	3.6%
0.23	221	3.4%
0.2	217	3.3%
0.3	214	3.3%
0.32	205	3.2%
Other values (177)	4121	63.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.08	4	0.1%
0.085	1	< 0.1%
0.09	1	< 0.1%
0.1	6	0.1%
0.105	6	0.1%
0.11	13	0.2%
0.115	3	< 0.1%
0.12	37	0.6%
0.125	2	< 0.1%
0.13	44	0.7%

Value	Count	Frequency (%)
1.58	1	< 0.1%
1.33	2	< 0.1%
1.24	1	< 0.1%
1.185	1	< 0.1%
1.18	1	< 0.1%
1.13	1	< 0.1%
1.115	1	< 0.1%
1.1	1	< 0.1%
1.09	1	< 0.1%
1.07	1	< 0.1%

citric acid
Real number (ℝ)

ZEROS

Distinct	89
Distinct (%)	1.4%
Missing	3
Missing (%)	< 0.1%
Infinite	0
Infinite (%)	0.0%
Mean	0.3187219

Minimum	0
Maximum	1.66
Zeros	150
Zeros (%)	2.3%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0
5-th percentile	0.05
Q1	0.25
median	0.31
Q3	0.39
95-th percentile	0.56
Maximum	1.66
Range	1.66
Interquartile range (IQR)	0.14

Descriptive statistics

Standard deviation	0.1452648
Coefficient of variation (CV)	0.45577289
Kurtosis	2.4015821
Mean	0.3187219
Median Absolute Deviation (MAD)	0.07
Skewness	0.47303243
Sum	2069.78
Variance	0.021101862
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.3	337	5.2%
0.28	301	4.6%
0.32	289	4.4%
0.49	283	4.4%
0.26	257	4.0%
0.34	249	3.8%
0.29	244	3.8%
0.27	236	3.6%
0.24	232	3.6%
0.31	229	3.5%
Other values (79)	3837	59.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	150	2.3%
0.01	40	0.6%
0.02	56	0.9%
0.03	32	0.5%
0.04	41	0.6%
0.05	25	0.4%
0.06	30	0.5%
0.07	33	0.5%
0.08	37	0.6%
0.09	42	0.6%

Value	Count	Frequency (%)
1.66	1	< 0.1%
1.23	1	< 0.1%
1	6	0.1%
0.99	1	< 0.1%
0.91	2	< 0.1%
0.88	1	< 0.1%
0.86	1	< 0.1%
0.82	2	< 0.1%
0.81	2	< 0.1%
0.8	2	< 0.1%

residual sugar
Real number (ℝ)

HIGH CORRELATION

Distinct	316
Distinct (%)	4.9%
Missing	2
Missing (%)	< 0.1%
Infinite	0
Infinite (%)	0.0%
Mean	5.4443264

Minimum	0.6
Maximum	65.8
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.6
5-th percentile	1.2
Q1	1.8
median	3
Q3	8.1
95-th percentile	15
Maximum	65.8
Range	65.2
Interquartile range (IQR)	6.3

Descriptive statistics

Standard deviation	4.7581247
Coefficient of variation (CV)	0.87396023
Kurtosis	4.3581344
Mean	5.4443264
Median Absolute Deviation (MAD)	1.7
Skewness	1.4349998
Sum	35360.9
Variance	22.639751
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	235	3.6%
1.8	228	3.5%
1.6	223	3.4%
1.4	219	3.4%
1.2	195	3.0%
2.2	187	2.9%
2.1	179	2.8%
1.9	176	2.7%
1.7	175	2.7%
1.5	171	2.6%
Other values (306)	4507	69.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.6	2	< 0.1%
0.7	7	0.1%
0.8	25	0.4%
0.9	41	0.6%
0.95	4	0.1%
1	93	1.4%
1.05	1	< 0.1%
1.1	146	2.2%
1.15	3	< 0.1%
1.2	195	3.0%

Value	Count	Frequency (%)
65.8	1	< 0.1%
31.6	2	< 0.1%
26.05	2	< 0.1%
23.5	1	< 0.1%
22.6	1	< 0.1%
22	2	< 0.1%
20.8	2	< 0.1%
20.7	2	< 0.1%
20.4	1	< 0.1%
20.3	1	< 0.1%

chlorides
Real number (ℝ)

HIGH CORRELATION

Distinct	214
Distinct (%)	3.3%
Missing	2
Missing (%)	< 0.1%
Infinite	0
Infinite (%)	0.0%
Mean	0.05604157

Minimum	0.009
Maximum	0.611
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.009
5-th percentile	0.028
Q1	0.038
median	0.047
Q3	0.065
95-th percentile	0.102
Maximum	0.611
Range	0.602
Interquartile range (IQR)	0.027

Descriptive statistics

Standard deviation	0.035036025
Coefficient of variation (CV)	0.62517922
Kurtosis	50.894874
Mean	0.05604157
Median Absolute Deviation (MAD)	0.011
Skewness	5.3998488
Sum	363.99
Variance	0.0012275231
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.044	206	3.2%
0.036	200	3.1%
0.042	187	2.9%
0.046	185	2.8%
0.05	182	2.8%
0.04	182	2.8%
0.048	182	2.8%
0.047	175	2.7%
0.045	174	2.7%
0.034	169	2.6%
Other values (204)	4653	71.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.009	1	< 0.1%
0.012	3	< 0.1%
0.013	1	< 0.1%
0.014	4	0.1%
0.015	4	0.1%
0.016	5	0.1%
0.017	5	0.1%
0.018	10	0.2%
0.019	9	0.1%
0.02	16	0.2%

Value	Count	Frequency (%)
0.611	1	< 0.1%
0.61	1	< 0.1%
0.467	1	< 0.1%
0.464	1	< 0.1%
0.422	1	< 0.1%
0.415	3	< 0.1%
0.414	2	< 0.1%
0.413	1	< 0.1%
0.403	1	< 0.1%
0.401	1	< 0.1%

free sulfur dioxide
Real number (ℝ)

HIGH CORRELATION

Distinct	135
Distinct (%)	2.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	30.525319

Minimum	1
Maximum	289
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	1
5-th percentile	6
Q1	17
median	29
Q3	41
95-th percentile	61
Maximum	289
Range	288
Interquartile range (IQR)	24

Descriptive statistics

Standard deviation	17.7494
Coefficient of variation (CV)	0.58146483
Kurtosis	7.9062381
Mean	30.525319
Median Absolute Deviation (MAD)	12
Skewness	1.2200661
Sum	198323
Variance	315.04119
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
29	183	2.8%
6	170	2.6%
26	161	2.5%
15	157	2.4%
24	152	2.3%
31	152	2.3%
17	149	2.3%
34	146	2.2%
35	144	2.2%
23	142	2.2%
Other values (125)	4941	76.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	3	< 0.1%
2	2	< 0.1%
3	59	0.9%
4	52	0.8%
5	129	2.0%
5.5	1	< 0.1%
6	170	2.6%
7	96	1.5%
8	91	1.4%
9	91	1.4%

Value	Count	Frequency (%)
289	1	< 0.1%
146.5	1	< 0.1%
138.5	1	< 0.1%
131	1	< 0.1%
128	1	< 0.1%
124	1	< 0.1%
122.5	1	< 0.1%
118.5	1	< 0.1%
112	1	< 0.1%
110	1	< 0.1%

total sulfur dioxide
Real number (ℝ)

HIGH CORRELATION

Distinct	276
Distinct (%)	4.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	115.74457

Minimum	6
Maximum	440
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	6
5-th percentile	19
Q1	77
median	118
Q3	156
95-th percentile	206
Maximum	440
Range	434
Interquartile range (IQR)	79

Descriptive statistics

Standard deviation	56.521855
Coefficient of variation (CV)	0.48833265
Kurtosis	-0.37166365
Mean	115.74457
Median Absolute Deviation (MAD)	39
Skewness	-0.0011774782
Sum	751992.5
Variance	3194.72
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
111	72	1.1%
113	65	1.0%
117	57	0.9%
122	57	0.9%
124	56	0.9%
128	56	0.9%
114	56	0.9%
98	56	0.9%
118	55	0.8%
119	54	0.8%
Other values (266)	5913	91.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
6	3	< 0.1%
7	4	0.1%
8	14	0.2%
9	15	0.2%
10	28	0.4%
11	26	0.4%
12	29	0.4%
13	28	0.4%
14	33	0.5%
15	35	0.5%

Value	Count	Frequency (%)
440	1	< 0.1%
366.5	1	< 0.1%
344	1	< 0.1%
313	1	< 0.1%
307.5	1	< 0.1%
303	1	< 0.1%
294	1	< 0.1%
289	1	< 0.1%
282	1	< 0.1%
278	1	< 0.1%

density
Real number (ℝ)

HIGH CORRELATION

Distinct	998
Distinct (%)	15.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.99469663

Minimum	0.98711
Maximum	1.03898
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.98711
5-th percentile	0.9899
Q1	0.99234
median	0.99489
Q3	0.99699
95-th percentile	0.999392
Maximum	1.03898
Range	0.05187
Interquartile range (IQR)	0.00465

Descriptive statistics

Standard deviation	0.002998673
Coefficient of variation (CV)	0.0030146609
Kurtosis	6.606067
Mean	0.99469663
Median Absolute Deviation (MAD)	0.00231
Skewness	0.50360173
Sum	6462.544
Variance	8.9920398 × 10^-6
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.9972	69	1.1%
0.9976	69	1.1%
0.992	64	1.0%
0.998	64	1.0%
0.9928	63	1.0%
0.9986	61	0.9%
0.9966	59	0.9%
0.9962	59	0.9%
0.9956	55	0.8%
0.9968	55	0.8%
Other values (988)	5879	90.5%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.98711	1	< 0.1%
0.98713	1	< 0.1%
0.98722	1	< 0.1%
0.9874	1	< 0.1%
0.98742	2	< 0.1%
0.98746	2	< 0.1%
0.98758	1	< 0.1%
0.98774	1	< 0.1%
0.98779	1	< 0.1%
0.98794	2	< 0.1%

Value	Count	Frequency (%)
1.03898	1	< 0.1%
1.0103	2	< 0.1%
1.00369	2	< 0.1%
1.0032	1	< 0.1%
1.00315	3	< 0.1%
1.00295	2	< 0.1%
1.00289	1	< 0.1%
1.0026	2	< 0.1%
1.00242	2	< 0.1%
1.00241	1	< 0.1%

pH
Real number (ℝ)

Distinct	108
Distinct (%)	1.7%
Missing	9
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	3.2183955

Minimum	2.72
Maximum	4.01
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	2.72
5-th percentile	2.97
Q1	3.11
median	3.21
Q3	3.32
95-th percentile	3.5
Maximum	4.01
Range	1.29
Interquartile range (IQR)	0.21

Descriptive statistics

Standard deviation	0.16074831
Coefficient of variation (CV)	0.049946722
Kurtosis	0.37006811
Mean	3.2183955
Median Absolute Deviation (MAD)	0.11
Skewness	0.38696593
Sum	20880.95
Variance	0.025840018
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3.16	200	3.1%
3.14	193	3.0%
3.22	185	2.8%
3.2	176	2.7%
3.15	170	2.6%
3.19	170	2.6%
3.18	168	2.6%
3.24	160	2.5%
3.12	154	2.4%
3.1	154	2.4%
Other values (98)	4758	73.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2.72	1	< 0.1%
2.74	2	< 0.1%
2.77	1	< 0.1%
2.79	3	< 0.1%
2.8	3	< 0.1%
2.82	1	< 0.1%
2.83	4	0.1%
2.84	1	< 0.1%
2.85	9	0.1%
2.86	10	0.2%

Value	Count	Frequency (%)
4.01	2	< 0.1%
3.9	2	< 0.1%
3.85	1	< 0.1%
3.82	1	< 0.1%
3.81	1	< 0.1%
3.8	2	< 0.1%
3.79	1	< 0.1%
3.78	2	< 0.1%
3.77	2	< 0.1%
3.76	2	< 0.1%

sulphates
Real number (ℝ)

Distinct	111
Distinct (%)	1.7%
Missing	4
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	0.53121515

Minimum	0.22
Maximum	2
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.22
5-th percentile	0.35
Q1	0.43
median	0.51
Q3	0.6
95-th percentile	0.79
Maximum	2
Range	1.78
Interquartile range (IQR)	0.17

Descriptive statistics

Standard deviation	0.14881412
Coefficient of variation (CV)	0.28013907
Kurtosis	8.6598922
Mean	0.53121515
Median Absolute Deviation (MAD)	0.08
Skewness	1.798467
Sum	3449.18
Variance	0.022145643
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.5	275	4.2%
0.46	243	3.7%
0.54	234	3.6%
0.44	232	3.6%
0.38	214	3.3%
0.48	208	3.2%
0.52	203	3.1%
0.49	197	3.0%
0.47	191	2.9%
0.45	190	2.9%
Other values (101)	4306	66.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.22	1	< 0.1%
0.23	1	< 0.1%
0.25	4	0.1%
0.26	4	0.1%
0.27	13	0.2%
0.28	13	0.2%
0.29	16	0.2%
0.3	31	0.5%
0.31	35	0.5%
0.32	54	0.8%

Value	Count	Frequency (%)
2	1	< 0.1%
1.98	1	< 0.1%
1.95	2	< 0.1%
1.62	1	< 0.1%
1.61	1	< 0.1%
1.59	1	< 0.1%
1.56	1	< 0.1%
1.36	3	< 0.1%
1.34	1	< 0.1%
1.33	1	< 0.1%

alcohol
Real number (ℝ)

HIGH CORRELATION

Distinct	111
Distinct (%)	1.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	10.491801

Minimum	8
Maximum	14.9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	8
5-th percentile	9
Q1	9.5
median	10.3
Q3	11.3
95-th percentile	12.7
Maximum	14.9
Range	6.9
Interquartile range (IQR)	1.8

Descriptive statistics

Standard deviation	1.1927117
Coefficient of variation (CV)	0.11368037
Kurtosis	-0.53168738
Mean	10.491801
Median Absolute Deviation (MAD)	0.9
Skewness	0.56571773
Sum	68165.23
Variance	1.4225613
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
9.5	367	5.6%
9.4	332	5.1%
9.2	271	4.2%
10	229	3.5%
10.5	227	3.5%
11	217	3.3%
9	215	3.3%
9.8	214	3.3%
10.4	194	3.0%
9.3	193	3.0%
Other values (101)	4038	62.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
8	2	< 0.1%
8.4	5	0.1%
8.5	10	0.2%
8.6	23	0.4%
8.7	80	1.2%
8.8	109	1.7%
8.9	95	1.5%
9	215	3.3%
9.05	1	< 0.1%
9.1	167	2.6%

Value	Count	Frequency (%)
14.9	1	< 0.1%
14.2	1	< 0.1%
14.05	1	< 0.1%
14	12	0.2%
13.9	3	< 0.1%
13.8	2	< 0.1%
13.7	7	0.1%
13.6	13	0.2%
13.56666667	1	< 0.1%
13.55	1	< 0.1%

quality
Real number (ℝ)

Distinct	7
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	5.8183777

Minimum	3
Maximum	9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	3
5-th percentile	5
Q1	5
median	6
Q3	6
95-th percentile	7
Maximum	9
Range	6
Interquartile range (IQR)	1

Descriptive statistics

Standard deviation	0.87325527
Coefficient of variation (CV)	0.1500857
Kurtosis	0.23232227
Mean	5.8183777
Median Absolute Deviation (MAD)	1
Skewness	0.18962269
Sum	37802
Variance	0.76257477
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=7)

Value	Count	Frequency (%)
6	2836	43.7%
5	2138	32.9%
7	1079	16.6%
4	216	3.3%
8	193	3.0%
3	30	0.5%
9	5	0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
3	30	0.5%
4	216	3.3%
5	2138	32.9%
6	2836	43.7%
7	1079	16.6%
8	193	3.0%
9	5	0.1%

Value	Count	Frequency (%)
9	5	0.1%
8	193	3.0%
7	1079	16.6%
6	2836	43.7%
5	2138	32.9%
4	216	3.3%
3	30	0.5%

Auto

Heatmap
Table

	alcohol	chlorides	citric acid	density	fixed acidity	free sulfur dioxide	pH	quality	residual sugar	sulphates	total sulfur dioxide	type	volatile acidity
alcohol	1.000	-0.401	0.020	-0.699	-0.111	-0.186	0.140	0.447	-0.330	0.004	-0.309	0.147	-0.024
chlorides	-0.401	1.000	-0.074	0.591	0.357	-0.260	0.164	-0.295	-0.036	0.370	-0.268	0.765	0.416
citric acid	0.020	-0.074	1.000	0.066	0.270	0.122	-0.285	0.106	0.075	0.038	0.159	0.424	-0.295
density	-0.699	0.591	0.066	1.000	0.434	0.006	0.012	-0.323	0.527	0.275	0.062	0.322	0.261
fixed acidity	-0.111	0.357	0.270	0.434	1.000	-0.261	-0.248	-0.099	-0.033	0.221	-0.234	0.505	0.202
free sulfur dioxide	-0.186	-0.260	0.122	0.006	-0.261	1.000	-0.164	0.087	0.388	-0.221	0.741	0.419	-0.367
pH	0.140	0.164	-0.285	0.012	-0.248	-0.164	1.000	0.032	-0.229	0.253	-0.242	0.332	0.194
quality	0.447	-0.295	0.106	-0.323	-0.099	0.087	0.032	1.000	-0.017	0.030	-0.055	0.130	-0.258
residual sugar	-0.330	-0.036	0.075	0.527	-0.033	0.388	-0.229	-0.017	1.000	-0.138	0.455	0.350	-0.066
sulphates	0.004	0.370	0.038	0.275	0.221	-0.221	0.253	0.030	-0.138	1.000	-0.256	0.471	0.255
total sulfur dioxide	-0.309	-0.268	0.159	0.062	-0.234	0.741	-0.242	-0.055	0.455	-0.256	1.000	0.800	-0.344
type	0.147	0.765	0.424	0.322	0.505	0.419	0.332	0.130	0.350	0.471	0.800	1.000	-0.599
volatile acidity	-0.024	0.416	-0.295	0.261	0.202	-0.367	0.194	-0.258	-0.066	0.255	-0.344	-0.599	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

First rows
Last rows

	type	fixed acidity	volatile acidity	citric acid	residual sugar	chlorides	free sulfur dioxide	total sulfur dioxide	density	pH	sulphates	alcohol	quality
0	white	7.0	0.27	0.36	20.7	0.045	45.0	170.0	1.0010	3.00	0.45	8.8	6
1	white	6.3	0.30	0.34	1.6	0.049	14.0	132.0	0.9940	3.30	0.49	9.5	6
2	white	8.1	0.28	0.40	6.9	0.050	30.0	97.0	0.9951	3.26	0.44	10.1	6
3	white	7.2	0.23	0.32	8.5	0.058	47.0	186.0	0.9956	3.19	0.40	9.9	6
4	white	7.2	0.23	0.32	8.5	0.058	47.0	186.0	0.9956	3.19	0.40	9.9	6
5	white	8.1	0.28	0.40	6.9	0.050	30.0	97.0	0.9951	3.26	0.44	10.1	6
6	white	6.2	0.32	0.16	7.0	0.045	30.0	136.0	0.9949	3.18	0.47	9.6	6
7	white	7.0	0.27	0.36	20.7	0.045	45.0	170.0	1.0010	3.00	0.45	8.8	6
8	white	6.3	0.30	0.34	1.6	0.049	14.0	132.0	0.9940	3.30	0.49	9.5	6
9	white	8.1	0.22	0.43	1.5	0.044	28.0	129.0	0.9938	3.22	0.45	11.0	6

	type	fixed acidity	volatile acidity	citric acid	residual sugar	chlorides	free sulfur dioxide	total sulfur dioxide	density	pH	sulphates	alcohol	quality
6487	red	6.6	0.725	0.20	7.8	0.073	29.0	79.0	0.99770	3.29	0.54	9.2	5
6488	red	6.3	0.550	0.15	1.8	0.077	26.0	35.0	0.99314	3.32	0.82	11.6	6
6489	red	5.4	0.740	0.09	1.7	0.089	16.0	26.0	0.99402	3.67	0.56	11.6	6
6490	red	6.3	0.510	0.13	2.3	0.076	29.0	40.0	0.99574	3.42	0.75	11.0	6
6491	red	6.8	0.620	0.08	1.9	0.068	28.0	38.0	0.99651	3.42	0.82	9.5	6
6492	red	6.2	0.600	0.08	2.0	0.090	32.0	44.0	0.99490	3.45	0.58	10.5	5
6493	red	5.9	0.550	0.10	2.2	0.062	39.0	51.0	0.99512	3.52	NaN	11.2	6
6494	red	6.3	0.510	0.13	2.3	0.076	29.0	40.0	0.99574	3.42	0.75	11.0	6
6495	red	5.9	0.645	0.12	2.0	0.075	32.0	44.0	0.99547	3.57	0.71	10.2	5
6496	red	6.0	0.310	0.47	3.6	0.067	18.0	42.0	0.99549	3.39	0.66	11.0	6

Most frequently occurring

	type	fixed acidity	volatile acidity	citric acid	residual sugar	chlorides	free sulfur dioxide	total sulfur dioxide	density	pH	sulphates	alcohol	quality	# duplicates
640	white	7.0	0.15	0.28	14.7	0.051	29.0	149.0	0.99792	2.96	0.39	9.0	7	8
772	white	7.3	0.19	0.27	13.9	0.057	45.0	155.0	0.99807	2.94	0.41	8.8	8	8
553	white	6.8	0.18	0.30	12.8	0.062	19.0	171.0	0.99808	3.00	0.52	9.0	7	7
803	white	7.4	0.16	0.30	13.7	0.056	33.0	168.0	0.99825	2.90	0.44	8.7	7	7
802	white	7.4	0.16	0.27	15.5	0.050	25.0	135.0	0.99840	2.90	0.43	8.7	7	6
806	white	7.4	0.19	0.30	12.8	0.053	48.5	229.0	0.99860	3.14	0.49	9.1	7	6
807	white	7.4	0.19	0.31	14.5	0.045	39.0	193.0	0.99860	3.10	0.50	9.2	6	6
854	white	7.6	0.20	0.30	14.2	0.056	53.0	212.5	0.99900	3.14	0.46	8.9	8	6
248	white	5.7	0.22	0.20	16.0	0.044	41.0	113.0	0.99862	3.22	0.46	8.9	6	5
330	white	6.2	0.23	0.36	17.2	0.039	37.0	130.0	0.99946	3.23	0.43	8.8	6	5

Overview

Variables

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Lowercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Interactions

Correlations

Missing values

Sample

Duplicate rows

Most frequently occurring